PISCES. 167 
PTERASPIS (continucd)— 
dunensis (Roemer): erroneously recorded as British by R. 
Etheridge, Foss. Brit. Islands, pt. i, 1888, p. 175. 
Woydii (Agassiz), Kner. v. Scaphaspis lewisi. 
ltudensis, Salter. v. Scaphaspis ludensis. 
mitchelli, J. Powrie, Geologist, vol. vii, 1864, p. 170; E. R. 
Lankester, Rep. Brit. Assoc., 1864 (1865), Sect., p. 58, and 
Fishes O. R. Sandst., pt. 1 (Pal. Soc., 1868), p. 33, pl. v, f. 1, 
2:6; Toy mt 
Loc. L. Old Red Sandst.; Forfarshire. [Head-shield; Dundee 
Mus. | 
rostrata (Agassiz), [-us] T. H. Huxley, Quart. Journ. Geol. Soc., 
vol. xvil, 1861, p. 166, woodcuts; [-us] E. R. Lankester, Rep. 
Brit. Assoc., 1864 (1865), Sect., p.58, and Fishes O. R. Sandst., 
Pt (eal. S0c., 1868), p. 32, plo iv; ft 1,2, 3,°7, 6, pl v, f. 4, 
plavis f. te 2) 3) 6, 10; pl. ving fs, 52°G; 12, 13, 16) P7400: 
Cephalaspis rostratus, L. Agassiz, Poiss. Foss., vol. ii, pt. i 
(1835), p. 148, pl. id, f. 6,7; J. Morris, Cat. Brit. Foss., 1854, 
p. 320. 
Loc. L. Old Red Sandst. (Cornstones); Herefordshire. [Head- 
shield ; 0/2 Murchison Coll.] 
truncatus, Huxley and Salter. 7. Scaphaspis truncata. 
sp., J. Powrie, Geologist, vol. vi, 1863, p. 67, woodcut. 
Loc. L. Old Red Sandst.; South Scotland. [Head-shield : 
J. Powrie Coll.] 
PTERICHTHYS, L. Agassiz, Poiss. Foss., vol. ii, pt. i (1843), 
p. 302, and Poiss. Foss. V. G. R. (1844), p. 6. 
cancriforms, Agassiz. v. Pterichthys productus. 
cornutus, Agassiz. wv. Pterichthys testudinarius. 
| dickii, Peach. v. Microbrachius dicki. 
hydrophilus (Agassiz), Miller. v. Bothriolepis hydrophilus. 
hydrophyllus, R. Etheridge, Foss. Brit. Islands, pt. i, 1888, 
p. 175: misprint for Pterichthys hydrophilus, 
latus, Agassiz. v. Pterichthys milleri. 
macrocephalus, Egerton. v. Bothriolepis macrocephalus. 
major, Agassiz. v. Bothriolepis major. 
milleri, L. Agassiz, Poiss. Foss., vol. ii, pt. 1 (1843), p. 302, and 
Poiss. Foss. V. G. R. (1844), p 1g, pl. 1, f 1-93: J. Morris, 
Gat Brit, Poss, 1854;.p.. 341 3 RH. Traquair, Geol. Mag. 
[3] vol. v, 1888, p. 509. 
Pterichthys latus, L. Agassiz, Poiss. Foss., vol. ii, pt.i (1843), p. 302, 
| diids Poise. Foss, V. CG. Ri (iSe4), ps teepliih £ 3,43 P 
G. Egerton, Quart. Journ. Geol. Soc., vol. iv, 1848, p. 312 ; 
| A Morris, Cat. Brit, Foss., 1854, p. 341. [F ishes ; Brit. Mus. 
and Forres Mus.] 
